GENERAL HISTOLOGY

NERVOUS

NEUROGLIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Small phagocytic cells that engulf and destroy microbes and cellular debris in the CNS
A
microglia
B
horns
C
neuroglia
D
astrocytes
Explanation: 

Detailed explanation-1: -Macrophages. Macrophages are derived from monocytes and are found in the tissues. They have a major role as a first defence mechanism in phagocytosis of cellular debris, microbes and any other foreign substances.

Detailed explanation-2: -In mammals, phagocytosis is the hallmark of specialized cells including macrophages, dendritic cells, and polymorphonuclear neutrophils that can engulf large particles, microorganisms, and cell debris. These cells are collectively referred to as professional phagocytes.

Detailed explanation-3: -Microglia are resident macrophages of the central nervous system and significantly contribute to overall brain function by participating in phagocytosis during development, homeostasis, and diseased states.

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